Display apparatus, method for executing application thereof, external device remotely controlling the display apparatus, and method for providing application control screen thereof

ABSTRACT

A display apparatus, a method for executing an application thereof, an external device remotely controlling the display apparatus, and a method for providing an application control screen thereof are provided. The display apparatus includes a display that displays an application execution screen, the application execution screen displaying an application; a communication unit that communicates with an external server and an external device that remotely controls the display apparatus; and a control unit that transmits to the external device a generation signal that instructs the external device to generate an application control screen in response to receiving an input command to execute the application, controls the communication unit to receive a command from the external device input through the application control screen, and operates the application according to the received command.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority from Korean Patent Application No.10-2011-0085306, filed on Aug. 25, 2011 in the Korean IntellectualProperty Office, the disclosure of which is incorporated herein byreference in its entirety.

BACKGROUND

1. Field

Methods and apparatuses consistent with exemplary embodiments of thepresent disclosure relate to a display apparatus, a method for executingan application thereof, an external device remotely controlling thedisplay apparatus, and a method for providing an application controlscreen thereof, and more particularly to a display apparatus which canbe remotely controlled through an external device provided with adisplay screen, a method for executing an application thereof, anexternal device, and a method for providing an application controlscreen thereof.

2. Description of the Related Art

In the related art, a remote controller provided with numeral keys,channel/volume adjustment keys, and direction keys has been used tocontrol a display apparatus. However, due to limited key configurationsof the remote controller in the related art, there is a limit inoperating diverse complicated applications using the remote controller.In addition, it is required for application providers to developapplications so that such applications can be operated with the limitedkey configurations of the remote controller.

Further, users must install and access separate application stores inorder to download applications to be executed in the displayapparatuses, and this causes inconvenience in use.

Accordingly, there is a need for schemes for providing an applicationdedicated operating method that is optimized according to diverseapplications and downloading the applications without accessingapplication stores.

SUMMARY

One or more exemplary embodiments provide a display apparatus and amethod for executing an application thereof, which transmit a generationsignal for generating an application control screen to an externaldevice if an execution command for an application is input, and operatethe application according to a user command if the user command is inputfrom the external device through the application control screen.

One or more exemplary embodiments also provide an external device and amethod for providing an application control screen thereof, whichdisplay an application control screen that corresponds to an applicationif a generation signal for generating the application control screen isreceived from a display device.

According to an aspect of an exemplary embodiment, there is provided amethod for executing an application of a display apparatus including:displaying an application execution screen and executing an applicationin response to an application execution input; transmitting, to anexternal device that remotely controls the display apparatus, ageneration signal that instructs the external device to generate anapplication control screen for controlling of the application; receivinga application control input through the application control screen ofthe external device; and operating the application according to thereceived application control input.

The method may further include receiving the application and applicationcontrol screen data that corresponds to the application from an externalserver; and transmitting the application control screen data to theexternal device, wherein the generation signal instructs the externaldevice to generate the application control screen using the applicationcontrol screen data transmitted to the external device.

The generation signal may include application control screen data thatcorresponds to the application and a command that instructs the externaldevice to generate the application control screen.

Further, the generation signal may be a signal configured according toparameters of the application and instructs the external apparatus todisplay the application control screen in a form of a user interfacewindow that includes at least one of a region for receiving anapplication dedicated control command or an image.

The application control screen may include an advertisement region inwhich an advertisement message for a specified application is displayed.

The method may further include transmitting data for generating theadvertisement message to the external device in response to receivingthe data for generating the advertisement message from an externalserver.

The method may further include downloading the specified applicationthat corresponds to the advertisement region from an external server inresponse to receiving a selection input of the advertisement region onthe external device; and installing the specified application.

The specified application may be one of a newly uploaded application, anapplication recommended by a service provider, an application for acategory designated by a user, and an application related to a currentlyexecuted application on the display apparatus

According to an aspect of another exemplary embodiment, there isprovided a display apparatus including: a display that displays anapplication execution screen, the application execution screendisplaying an application; a communication unit that communicates withan external server and an external device that remotely controls thedisplay apparatus; and a control unit that transmits to the externaldevice a generation signal that instructs the external device togenerate an application control screen in response to an applicationexecution input, controls the communication unit to receive aapplication control input from the external device input through theapplication control screen, and operates the application according tothe received application control input.

The control unit may control the communication unit to receive theapplication and application control screen data that corresponds to theapplication from an external server and to transmit the applicationcontrol screen data to the external device, and the generation signalinstructs the external device to generate the application control screenusing the application control screen data transmitted to the externaldevice.

The generation signal may include application control screen data thatcorresponds to the application and a command that instructs the externaldevice to generate the application control screen.

Further, the generation signal may be a signal configured according toparameters of the application and instructs the external apparatus todisplay the application control screen in a form of a user interfacewindow that includes at least one of a region for receiving anapplication dedicated control command or an image.

The application control screen may include an advertisement region inwhich an advertisement message for a specified application is displayed.

The control unit may transmit data for generating the advertisementmessage to the external device in response to receiving the data forgenerating the advertisement message from an external server.

The control unit may control the communication unit to download thespecified application that corresponds to the advertisement region froman external server in response to receiving a selection input of theadvertisement region on the external device, and install the specifiedapplication.

The specified application may be one of a newly uploaded application, anapplication recommended by a service provider, an application for acategory designated by a user, and an application related to a currentlyexecuted application on the display apparatus.

According to an aspect of another exemplary embodiment, there isprovided a method for providing an application control screen of anexternal device that remotely controls a display apparatus including:receiving from the display apparatus a generation signal that instructsthe external device to generate an application control screen forcontrolling of the application; displaying the application controlscreen of the application in response to receiving the generationsignal; and transmitting to the display apparatus a application controlinput in response to receiving a application control input through theapplication control screen.

The application control screen is received from the display apparatus oris pre-stored during manufacturing of the display apparatus.

The method for providing an application control screen of an externaldevice according to the aspect of the present disclosure may furtherinclude displaying an advertisement message for a specified applicationon a first region of a display screen in response to receiving theadvertisement message for the specified application from the displayapparatus.

The advertisement message that is displayed on the first region of thedisplay screen may include information of the specified application.

The method may further include generating a graphic user interface (GUI)for downloading the specified application in response to receiving aselection input of the first region of the display screen.

The method may further include transmitting a download command signalfor the specified application to the display apparatus in response toreceiving the download command for the specified application inputthrough the GUI.

According to an aspect of another exemplary embodiment, there isprovided an external device that remotely controls a display apparatusincluding: a communication unit that communicates with the displayapparatus; a display unit; and a control unit that controls the displayunit to display an application control screen of an application inresponse to receiving from the display apparatus a generation signalthat instructs the external device to generate the application controlscreen for controlling of the application, and controls thecommunication unit to transmit a application control input to thedisplay apparatus in response to receiving the application control inputthrough the application control screen.

The application control screen is received from the display apparatus oris pre-stored during manufacturing of the display apparatus.

The control unit may control the display unit to display anadvertisement message for a specified application on a first region of adisplay screen in response to receiving the advertisement message forthe specified application from the display apparatus through thecommunication unit.

The advertisement message that is displayed on the first region of thedisplay screen may include information of the specified application.

The external device according to the aspect of the present disclosuremay further include a GUI generation unit, wherein the control unitcontrols the GUI generation unit and the display unit to generate anddisplay a GUI for downloading the specified application in response toreceiving a selection input of the first region of the display screen.

The control unit may control the communication unit to transmit adownload command signal for the specified application to the displayapparatus in response to receiving the download command for thespecified application input through the GUI.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and other aspects will be more apparent from the followingdetailed description of exemplary embodiments when taken in conjunctionwith the accompanying drawings, in which:

FIG. 1 is a diagram illustrating an application providing systemaccording to an exemplary embodiment;

FIG. 2 is a block diagram illustrating the configuration of a displayapparatus according to an exemplary embodiment;

FIG. 3 is a block diagram illustrating the configuration of an externaldevice according to an exemplary embodiment;

FIGS. 4A to 4C are diagrams illustrating an application dedicatedoperation screen according to an exemplary embodiment;

FIGS. 5A and 5B are diagrams illustrating a display screen foradvertising and downloading a specified application according to anexemplary embodiment;

FIG. 6 is a flowchart illustrating a method for executing an applicationof a display apparatus according to an exemplary embodiment;

FIG. 7 is a flowchart illustrating a method for providing an applicationcontrol screen of an external device according to an exemplaryembodiment; and

FIG. 8 is a flowchart illustrating a method for providing an applicationof an application providing system according to an exemplary embodiment.

DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS

Hereinafter, exemplary embodiments are described in detail withreference to the accompanying drawings.

FIG. 1 is a diagram illustrating an application providing systemaccording to an exemplary embodiment. As illustrated in FIG. 1, anapplication providing system 10 includes a server 100, a displayapparatus 200, and an external device 300 that remotely controls thedisplay apparatus.

The server 100 provides diverse applications through service providers.Specifically, if an application download request is received from anelectronic apparatus, such as the external display apparatus 200, theserver 100 provides an application to the external display apparatus200.

In this case, the server 100 may receive application data andapplication control screen data, which is designed to have thecorresponding application dedicated configuration and includes anapplication dedicated control command or an image.

The display apparatus 200 performs a general display apparatus functionof receiving and displaying an image that is transmitted from abroadcasting station or an external source device. In addition, thedisplay apparatus 200 may download and execute diverse application dataand application control screen data corresponding to the application,which are transmitted from the external server 100.

In this case, if an application execution command is input to thedisplay apparatus 200, the display apparatus 200 displays an applicationexecution screen, and transmits a generation signal for generating anapplication control screen that corresponds to the executed applicationto the external device 300. In particular, if the application controlscreen data is previously transmitted to the external device 300, thegeneration signal may include a command for generating the applicationcontrol screen using the application control screen data transmitted tothe external device 300. However, if the application control screen datais not previously transmitted to the external device 300, the generationsignal may include the application control screen data that correspondsto the application and a command for generating the application controlscreen.

Further, if a user command is input from the external device 300 usingthe application control screen, the display apparatus 100 receives theuser command from the external device 300, and operates the applicationaccording to the received user command.

Further, if an advertisement message for a specified application istransmitted from the external server 100, the display apparatus 200transmits the advertisement message for the specified application to theexternal device 300.

Further, if a download command signal for the specified application isinput from the external device 300, the display apparatus 200 transmitsa download request signal for the specified application to the externalserver 100. Then, the display apparatus 200 may download the specifiedapplication from the external server 100.

In this case, the specified application may be a newly uploadedapplication, an application recommended by a service provider, anapplication for a category designated by a user, or an applicationrelated to a currently executed application on the display apparatus.

The external device 300 is a device for remotely controlling the displayapparatus 200. In particular, the external device 300 may be providedwith a display unit that can display the application control screen thatcorresponds to the application transmitted from the display device 100.In this case, the external device 300 may be a portable device such as atablet PC, a smart phone, or the like.

If an application control screen generation signal that corresponds tothe application is received from the display apparatus 200, the externaldevice 300 displays the application control screen. Further, if the usercommand is input through the application control screen, the externaldevice 300 transmits the user command to the display apparatus 200.

Further, if the advertisement message for the specified application isreceived from the display apparatus 200, the external device 300displays the advertisement message on a first region of the displayscreen.

Further, if a user selects the first region on which the advertisementmessage is displayed, the external device 300 generates a GUI menu forasking whether to download the specified application that corresponds tothe advertisement message. If the download command for the specifiedapplication is received through the GUI menu, the external device 300transmits the download command signal for the specified application tothe display apparatus 200.

As described above, the application dedicated operation screens that areoptimized for diverse application can be provided to the user throughthe application providing system 10, and the applications can bedownloaded without installing and entering into application stores.

Hereinafter, with reference to FIGS. 2 and 3, the display apparatus 200and the external device 300 that controls the display apparatus 200 willbe described in more detail.

FIG. 2 is a block diagram illustrating the configuration of the displayapparatus 200 according to an exemplary embodiment. As illustrated inFIG. 2, the display apparatus 200 includes an image input unit 210, animage processing unit 220, a display unit 230, a communication unit 240,a storage unit 250, and a control unit 260. The term “unit” as usedherein means a hardware component, such as a processor or circuit,and/or a software component that is executed by a hardware componentsuch as a processor.

The image input unit 210 receives image data from a broadcasting stationor a source device (for example, a DVD player, a set top box, or thelike) by wire or wirelessly.

The image processing unit 220 performs signal processing with respect toimage data received through the image input unit 210. Specifically, theimage processing unit 220 performs signal processing tasks, such asdecoding, scaling, and the like, with respect to the image data, todisplay the image data.

The display unit 230 receives the image signal processed through theimage processing unit 220 and outputs the received image signal.

The communication unit 240 performs communication with the externalserver 100 and the external device 300 that serves as a remotecontroller. In this case, the communication unit 240 may perform thecommunication with the external server 100 through a network, such asthe Internet, and may perform the communication with the external device300 through a Bluetooth module, an infrared (IR) module, or a radiofrequency (RF) module.

The storage unit 250 stores various kinds of data for controlling thedisplay apparatus 200. The storage unit 250 also stores pluralapplications that are received from the external server 100 through thecommunication unit 240.

The control unit 260 controls the whole operation of the displayapparatus 200 according to a user command and the data stored in thestorage unit 250. In particular, the control unit 260 may control thedisplay apparatus 200 so that the external device 300 for controllingthe display apparatus 200 can execute the application control screenthat corresponds to the application.

Specifically, if the application data and the application control screendata that corresponds to the application are received through thecommunication unit 260, the control unit 260 installs the receivedapplication, and transmits to the external device 300 the applicationcontrol screen data that corresponds to the application. However, thisis merely exemplary, and if the application execution command is input,the application control screen data that corresponds to the applicationmay be transmitted to the external device 300 together with anapplication control screen generation command.

Further, if the application execution command is input, the control unit260 controls the display unit 230 to display the application executionscreen, and transmits an application control screen generation signal tothe external device 300 to display the application control screen thatcorresponds to the executed application.

In this case, the application control screen generation signal mayinclude meta data (for example, a title, a producer, the date ofproduction, a version, and the like) for the executed application and acommand for executing the application operation command that correspondsto the application. Further, if the application control screen data thatcorresponds to the application is not previously transmitted, thegeneration signal may include the application control screen data.

Further, the application control screen that is generated by theapplication control screen generation signal may be designed to have theapplication dedicated configuration, and may include an applicationdedicated control command that suits the application characteristics.For example, if the executed application is a driving game application,the application control screen may be a driving gate applicationdedicated operation screen that includes control commands and images,such as a handle, a gear, and the like, as illustrated on the right sideof FIG. 4A. Further, if the executed application is a chatting/messagingapplication, the application control screen may be a chattingapplication dedicated operation screen that includes a keyboard typeimage, as illustrated in the right side of FIG. 4B. Further, if theexecuted application is a recording application, the application controlscreen may be a recording application dedicated operation screen thatincludes a microphone type image, as illustrated on the right side ofFIG. 4C. However, the above-described application control screens aremerely exemplary, and diverse application dedicated operation screensmay be provided. For example, in the case of an application thatrequires numeral input, an operation screen for inputting numerals maybe generated.

In addition, the application control screen may include a trademark ofan application, a logo, a character, a production company, and the like,in addition to the control commands.

Further, if the user command is received from the external device 300using the application control screen, the control unit 260 controls thewhole display apparatus 200 according to the received user command.

Further, if an advertisement message for the specified application isreceived from the external server 100 through the communication unit240, the control unit 260 transmits the received advertisement messageto the external device 300. In this case, the specified application maybe any one of a newly uploaded application, an application recommendedby a service provider, an application for a category designated by auser, and an application related to a currently executed application onthe display apparatus.

Further, if an advertisement region that is displayed on the externaldevice 300 is selected, the control unit 260 receives the downloadcommand signal for the specified application that corresponds to theselected advertisement region from the external device 300, anddownloads and installs the specified application that is received fromthe external server 100.

FIG. 3 is a block diagram illustrating the configuration of the externaldevice 200 according to an exemplary embodiment. As illustrated in FIG.3, the external device 200 includes a communication unit 310, a displayunit 320, a graphic user interface (GUI) generation unit 330, and acontrol unit 340.

The communication unit 310 performs communication with the displayapparatus 200. As described above, the communication unit 310 may use aBluetooth module, an IR module, or an RF module in performingcommunication with the display apparatus 200.

The display unit 320 may display the application control screen thatcorresponds to the application. For example, as illustrated on the rightside of FIGS. 4A to 4C, the display unit 320 may display an applicationdedicated operation screen.

Further, the display unit 320 may display the advertisement message forthe specified application on a first region (hereinafter referred to asan “advertisement region”) of the display screen.

The GUI generation unit 330 may generate a GUI (Graphic User Interface)that is displayed on the display screen in a form of an OSD (On ScreenDisplay). In this case, the GUI generation unit 330 may generate a menuwindow for conforming whether to download the application thatcorresponds to the advertisement region.

The control unit 340 controls the whole operation of the external device300 according to a user command. In particular, the control unit 340 maydisplay the application control screen that corresponds to theapplication executed in the display apparatus 200.

Specifically, if an application control screen generation signal thatcorresponds to the application is received from the display apparatus200, the control unit 340 controls the display unit 320 to generate anddisplay the application control screen that corresponds to theapplication. In this case, examples of the generated application controlscreen are illustrated in FIGS. 4A to 4C.

Further, if the user command is input using the generated applicationcontrol screen, the control unit 340 transmits the user command for theapplication to the display device 200.

Further, if the advertisement message for the specified application isreceived from the display apparatus 200, the control unit 340 controlsthe display unit 320 to display the advertisement message for thespecified application on the advertisement region. For example, asillustrated in FIG. 5A, the control unit 340 controls the display unit320 to display the advertisement region 510 at the end of theapplication control screen.

In this case, the advertisement message that is displayed on theadvertisement region may include a title of the application, an image,and information.

Further, if the advertisement region illustrated in FIG. 5A is selected(for example, if the advertisement region is touched) by the user, thecontrol unit 340 controls the GUI generation unit 330 to generate a menu520 for confirming whether to download the application that correspondsto the advertisement region, as illustrated in FIG. 5B.

Further, if the download command is input from the user through the menu520, the control unit 340 transmits the download command signal for thespecified application to the display device 200.

As described above, the user can receive the application dedicatedoperation screens optimized to the diverse applications through thedisplay apparatus 200 and the external device 300, and can download theapplication desired by the user without installing or entering into theapplication stores.

Hereinafter, with reference to FIGS. 6 to 8, a method for providing anapplication will be described.

FIG. 6 is a flowchart illustrating a method for executing an applicationof the display apparatus 200 according to an embodiment.

First, the display apparatus 200 determines whether an applicationexecution command is input from a user (S610). If the applicationexecution command is input from the user (“Yes” in S610), the displayapparatus 200 displays the application execution screen of which theexecution command is input (S620).

Further, the display apparatus 200 transmits an application controlscreen generation signal to the external device 300 to generate theapplication control screen that corresponds to the application of whichthe execution command is input (S630). In this case, the applicationcontrol screen generation signal may include a command for generatingthe application control screen and meta data of the application of whichthe execution command is input. However, if the application controlscreen data that corresponds to the application is not previouslytransmitted to the external device 300, the application control screengeneration signal may include the application control screen data thatcorresponds to the application.

Further, if a user command is input from the external device 300 usingthe application control screen (“Yes” in S640), the display apparatus200 receives the user command (S650), and operates the applicationaccording to the user command (S660).

FIG. 7 is a flowchart illustrating a method for providing an applicationcontrol screen of the external device 300 for controlling the displayapparatus 200 according to an exemplary embodiment.

First, the external device 300 determines whether to receive anapplication control screen generation signal from the display apparatus200 (S710). If the application control screen generation signal isreceived from the display apparatus 200 (“Yes” in S710), the externaldevice 300 displays the application control screen (S620). In this case,as illustrated in FIGS. 4A to 4C, the application control screen isdesigned to have the application dedicated configuration, and includesan application dedicated control command that suits the applicationcharacteristics. In addition, the application control screen may includea trademark of an application, a logo, a character, and a productioncompany, in addition to the control commands.

Further, the external device 300 determines whether the user command isinput through the application operation command (S730). If the usercommand is input (S730), the external device 300 transmits the inputuser command to the display apparatus 200 (S740).

FIG. 8 is a flowchart illustrating a method for providing an applicationof the application providing system 10 according to an exemplaryembodiment.

First, the server 100 transmits the application and the applicationcontrol screen data to the display apparatus 200 (S805). Then, thedisplay apparatus 200 installs the application received from the server100, and retransmits the application control screen data to the externaldevice 300 (S810).

Thereafter, the display apparatus 200 determines whether the applicationexecution command for the installed application is input (S815). If theexecution command in input (“Yes” in S815), the display apparatus 200displays the application execution screen (S820). Then, the displayapparatus 200 transmits the application control screen generation signalthat corresponds to the application of which the execution command isinput to the external device 300 (S825).

If the external device 300 receives the generation signal from thedisplay apparatus 200 (S825), the external device 300 displays theapplication control screen that corresponds to the application of whichthe execution command is input (S830). Then, the external device 300receives a user command through the application control screen (S835),and transmits the input user command to the display apparatus 200(S840). Then, the display apparatus 200 operates the applicationaccording to the transmitted user command (S845).

Further, if the server 100 transmits the advertisement message for thespecified application to the display apparatus 200 (S850), the displayapparatus 200 transmits the advertisement message for the specifiedapplication to the external device 300 (S855). If the advertisementmessage for the specified application is transmitted from the displayapparatus 200, the external device 200 displays the advertisementmessage for the specified application on the advertisement region of thedisplay screen as illustrated in FIG. 5A (S860).

Further, if the download command for the specified application is input,the external device 300 transmits the download command signal for thespecified application to the display apparatus 200 (S865). If thedownload command signal is transmitted to the display apparatus, thedisplay apparatus 200 transmits the download request signal for thespecified application to the server 100 (S870), and receives thespecified application from the server 100 (S875).

According to the method for providing an application as described above,application dedicated operation screens that are optimized to diverseapplications can be provided to the user, and the applications can bedownloaded without installing or entering into the application stores.

On the other hand, in the above-described embodiments, it is exemplifiedthat the external device 300 receives the application control screendata that corresponds to the application from the display apparatus 200.However, this is merely exemplary, and the application control screendata may be pre-stored during the manufacturing of the display apparatus200 or may be directly received from the server 100.

Further, in the above-described exemplary embodiments, it is exemplifiedthat the external device 300 receives the advertisement message from thedisplay apparatus 200. However, this is merely exemplary, and theexternal device 300 may receive the advertisement message directly fromthe server 100.

While certain exemplary embodiments have been shown and described, itwill be understood by those skilled in the art that various changes inform and detail may be made therein without departing from the spiritand scope of the inventive concept, as defined by the appended claims.

What is claimed is:
 1. A method performed in a display apparatus forexecuting an application, the method comprising: connecting, via acommunication unit, with a mobile terminal device operating as a remotecontroller that controls the display apparatus; receiving, via thecommunication unit, a control signal for controlling the displayapparatus from the mobile terminal device; controlling the displayapparatus to perform a function corresponding to the control signal;receiving application information corresponding to an application thatis not installed on the display apparatus from an external server;transmitting the application information to the mobile terminal deviceto cause the mobile terminal device to display the applicationinformation on the mobile terminal device; receiving, via thecommunication unit, an application download command corresponding to theapplication from the mobile terminal device, wherein the applicationdownload command is generated based on a user command inputted throughthe application information displayed on the mobile terminal device;transmitting, via the communication unit, an application downloadrequest to the external server based on the application downloadcommand; receiving, via the communication unit, the application from theexternal server; and installing the application on the displayapparatus.
 2. The method as claimed in claim 1, further comprising:receiving application control screen data that corresponds to theapplication from the external server; transmitting the applicationcontrol screen data to the mobile terminal device; and transmitting tothe mobile terminal device, a generation signal that instructs themobile terminal device to generate and display an application controlscreen for controlling the application using the application controlscreen data.
 3. The method as claimed in claim 2, wherein the generationsignal includes the application control screen data and a command thatinstructs the mobile terminal device to generate the application controlscreen.
 4. The method as claimed in claim 2, wherein the generationsignal is a signal configured according to parameters of the applicationand instructs the mobile terminal device to display the applicationcontrol screen in a form of a user interface window that includes atleast one of a region for receiving an application dedicated controlcommand or an image.
 5. The method as claimed in claim 1, wherein theapplication download command is generated based on the user commandinputted on an image corresponding to the application informationdisplayed on the mobile terminal device while the display apparatus isconnected via the communication unit with the mobile terminal device. 6.A display apparatus comprising: a display; a communication unit; and acontrol unit configured to: control the communication unit to connectwith a mobile terminal device operating as a remote controller thatcontrols the display apparatus, receive, via the communication unit, acontrol signal for controlling the display apparatus from the mobileterminal device, perform a function corresponding to the control signal,receive, via the communication unit, application informationcorresponding to an application that is not installed on the displayapparatus from an external server, control the communication unit totransmit the application information to the mobile terminal device tocause the mobile terminal device to display the application informationon the mobile terminal device, receive, via the communication unit, anapplication download command corresponding to the application from themobile terminal device, wherein the application download command isgenerated based on a user command inputted through the applicationinformation displayed on the mobile terminal device, control thecommunication unit to transmit an application download request to theexternal server based on the application download command, receive, viathe communication unit, the application from the external server, andinstall the application on the display apparatus.
 7. The displayapparatus as claimed in claim 6, wherein the control unit is furtherconfigured to receive application control screen data that correspondsto the application from the external server, transmit the applicationcontrol screen data to the mobile terminal device, and transmit to themobile terminal device, a generation signal that instructs the mobileterminal device to generate and display an application control screenfor controlling the application using the application control screendata.
 8. The display apparatus as claimed in claim 7, wherein thegeneration signal includes the application control screen data and acommand that instructs the mobile terminal device to generate theapplication control screen.
 9. The display apparatus as claimed in claim7, wherein the generation signal is a signal configured according toparameters of the application and instructs the mobile terminal deviceto display the application control screen in a form of a user interfacewindow that includes at least one of a region for receiving anapplication dedicated control command or an image.
 10. The displayapparatus as claimed in claim 6, wherein the application downloadcommand is generated based on the user command inputted on imagecorresponding to the application information displayed on the mobileterminal device while the display apparatus is connected via thecommunication unit with the mobile terminal device.
 11. A methodperformed by an external device for remotely controlling a displayapparatus, the method comprising: connecting with the display apparatusfor performing as a remote controller; transmitting a control signal forcontrolling the display apparatus; receiving application informationcorresponding to an application that is not installed on the displayapparatus from the display apparatus; displaying an image correspondingto the application information; receiving a user input to select theimage corresponding to the application information; generating anapplication download command signal for downloading the application inresponse to receiving the user input; and transmitting the applicationdownload command signal to the display apparatus, the applicationdownload command signal triggering the display apparatus to receive theapplication in response to the application download command signal andinstall the application.
 12. The method as claimed in claim 11, furthercomprising displaying an application control screen for controlling theapplication, wherein the application control screen is received from thedisplay apparatus or is pre-stored during manufacturing of the displayapparatus.
 13. An external device that remotely controls a displayapparatus comprising: a display; a communication unit; and at least oneprocessor configured to: control the communication unit to connect, viathe communication unit, with the display apparatus for performing as aremote controller, control the communication unit to transmit, via thecommunication unit, a control signal for controlling the displayapparatus, receive, via the communication unit, application informationcorresponding to an application that is not installed on the displayapparatus from the display apparatus, control the display to display animage corresponding to the application information, receive, via thecommunication unit, a user input to select the image corresponding tothe application information, generate an application download commandsignal for downloading the application in response to receiving the userinput, and control the communication unit to transmit, via thecommunication unit, the application download command signal to thedisplay apparatus, the application download command signal triggeringthe display apparatus to receive the application in response to theapplication download command signal and install the application.
 14. Theexternal device as claimed in claim 13, wherein the at least oneprocessor is further configured to control the display to display anapplication control screen for controlling the application, and whereinthe application control screen is received from the display apparatus oris pre-stored during manufacturing of the display apparatus.